Asia Cement Corp  is considering to list its China operations in Hong Kong next year, the Economic Daily News quoted company chairman Douglas Hsu as saying. The company expects to more than triple its cement production by 2012, said company Chairman Douglas Hsu. The company plans to build a number of kilns in China by 2012, which can more than triple its annual cement production to 28Mt from the current 7.6Mt the paper cited Hsu as saying